Company lists · Data refreshed October 2026
Top 25 Security companies worldwide
RevenueBase identified 48,153 company matches for security companies worldwide as of October 2026 and tracks 1,225,057 professional contacts across them, including 111,361 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for security companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 1, 2026. Country and city lists for security companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest security companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 79,699 contacts → | ||||
Exact match “G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 2 | 62,804 contacts → | ||||
Exact match “Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 3 | 40,747 contacts → | ||||
Exact match “50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 4 | 38,634 contacts → | ||||
Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 5 | 17,041 contacts → | ||||
Exact match “GardaWorld is the world’s largest privately-owned security services company, offering cash services, physical and specialized security solutions, and with our Crisis24 portal, the…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 6 | 15,652 contacts → | ||||
Exact match “Offering flexible solutions for all of the UAE’s staffing needs since 2001, Transguard Group is the region’s most trusted expert in security, facilities management, cash services…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 7 | 14,199 contacts → | ||||
Exact match “Verisure is the global leader in professionally monitored security services by customers served, with a market-leading presence across Europe and Latin America.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 8 | 7,986 contacts → | ||||
Exact match “One of the largest companies in the professional services and security markets in Brazil.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 9 | 6,854 contacts → | ||||
Exact match “Sempre inovador, o Grupo Souza Lima desenvolve soluções completas e híbridas, que realmente funcionam, em serviços de Segurança, Limpeza e Facilities.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 10 | 6,335 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 11 | 6,169 contacts → | ||||
Exact match “Making the world a safer place.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 12 | 5,384 contacts → | ||||
Exact match “Tyco offers comprehensive security solutions to protect people, facilities, and assets as part of Johnson Controls world leading portfolio of building products, technologies…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 13 | 4,835 contacts → | ||||
Exact match “As one of Canada’s Best Managed Companies, boasting Canada’s 10 Most Admired Corporate Cultures, Paladin is Canada’s leading security company, with services and superior expertise…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 14 | 4,610 contacts → | ||||
Exact match “Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 15 | 4,572 contacts → | ||||
Exact match “A Graber atua de forma pioneira na prestação de serviços de segurança desde 1982, introduzindo o conceito de projetos integrados na área de segurança.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 16 | 4,530 contacts → | ||||
Exact match “A SegurPro é o próximo passo em segurança privada.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 17 | 4,292 contacts → | ||||
Exact match “O que é trabalhar no Grupo Haganá?” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 18 | 4,038 contacts → | ||||
Exact match “Excelsior Defense is a security and investigations company based out of St.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 19 | 4,025 contacts → | ||||
Exact match “Contemporary Services Corporation (CSC) is recognized worldwide as the pioneer, expert and only employee owned company in the crowd management field.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 20 | 3,843 contacts → | ||||
Exact match “Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 21 | 3,753 contacts → | ||||
Exact match “SIS Group Enterprises commenced operations as a two-member company in 1974 and has since transformed into one of the market leaders in the Asia Pacific region, in Security…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 22 | 3,620 contacts → | ||||
Exact match “Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 23 | 3,612 contacts → | ||||
Exact match “EVERYWHERE SECURITY MATTERS.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 24 | 3,592 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
| 25 | 3,480 contacts → | ||||
Exact match “Fidelity Services Group is Southern Africa’s largest integrated security solutions provider and the industry leader in protection innovation.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “security companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 48,153 security companies worldwide
See the full list, filter by size, metro and specialty, and access 111,361 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security companies worldwide at a glance
As of Oct 1, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for security companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “security companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 111,361 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 1, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Security companies by location
174 lists · largest firstEvery Security companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security companies based in the United States8,957
- Security companies based in the United Kingdom5,031
- Security companies based in Brazil3,351
- Security companies based in India2,395
- Security companies based in France2,118
- Security companies based in Canada1,460
- Security companies based in Germany1,398
- Security companies based in Italy1,278
- Security companies based in Australia1,153
- Security companies based in the Netherlands1,137
- Security companies based in Mexico966
- Security companies based in South Africa926
- Security companies based in Spain869
- Security companies based in Argentina626
- Security companies based in Chile499
- Security companies based in Colombia492
- Security companies based in Türkiye471
- Security companies based in the United Arab Emirates424
- Security companies based in Peru405
- Security companies based in Belgium381
- Security companies based in Sweden355
- Security companies based in Switzerland331
- Security companies based in Poland292
- Security companies based in Nigeria259
- Security companies based in Kenya212
- Security companies based in Pakistan212
- Security companies based in Ecuador202
- Security companies based in Ireland202
- Security companies based in Egypt198
- Security companies based in Portugal198
- Security companies based in Indonesia196
- Security companies based in Saudi Arabia196
- Security companies based in Denmark189
- Security companies based in Romania177
- Security companies based in Malaysia175
- Security companies based in New Zealand163
- Security companies based in Greece147
- Security companies based in the Philippines136
- Security companies based in Czechia131
- Security companies based in Bangladesh111
- Security companies based in Norway106
- Security companies based in Finland91
- Security companies based in Austria90
- Security companies based in Israel89
- Security companies based in Hungary88
- Security companies based in Qatar87
- Security companies based in the Dominican Republic71
- Security companies based in Costa Rica69
- Security companies based in Uruguay69
- Security companies based in Serbia58
- Security companies based in Panama54
- Security companies based in Croatia41
- Security companies based in Cyprus36
- Security companies based in Hong Kong29
- Security companies based in Puerto Rico26
- Security companies based in Luxembourg25
Cities
- Security companies based in London, United Kingdom910
- Security companies based in Sao Paulo, Brazil671
- Security companies based in New York, United States233
- Security companies based in Dubai, United Arab Emirates218
- Security companies based in Bangalore, India205
- Security companies based in New Delhi, India193
- Security companies based in Los Angeles, United States187
- Security companies based in Houston, United States184
- Security companies based in Toronto, Canada182
- Security companies based in Rio De Janeiro, Brazil180
- Security companies based in Buenos Aires, Argentina176
- Security companies based in Paris, France176
- Security companies based in Bogota, Colombia169
- Security companies based in Lima, Peru160
- Security companies based in Nairobi, Kenya155
- Security companies based in Mumbai, India154
- Security companies based in Miami, United States153
- Security companies based in Johannesburg, South Africa147
- Security companies based in Istanbul, Türkiye140
- Security companies based in Mexico City, Mexico140
- Security companies based in Santiago, Chile135
- Security companies based in Madrid, Spain127
- Security companies based in Rome, Italy124
- Security companies based in Manchester, United Kingdom121
- Security companies based in Curitiba, Brazil111
- Security companies based in Porto Alegre, Brazil110
- Security companies based in Birmingham, United Kingdom108
- Security companies based in Pune, India107
- Security companies based in Atlanta, United States103
- Security companies based in Chicago, United States102
- Security companies based in Dallas, United States100
- Security companies based in Gurgaon, India99
- Security companies based in Cape Town, South Africa98
- Security companies based in Belo Horizonte, Brazil97
- Security companies based in Stockholm, Sweden97
- Security companies based in Berlin, Germany96
- Security companies based in Milan, Italy95
- Security companies based in Sydney, Australia94
- Security companies based in Melbourne, Australia92
- Security companies based in Chennai, India86
- Security companies based in Phoenix, United States85
- Security companies based in Hyderabad, India84
- Security companies based in Austin, United States83
- Security companies based in Campinas, Brazil82
- Security companies based in Riyadh, Saudi Arabia82
- Security companies based in Noida, India81
- Security companies based in Montreal, Canada79
- Security companies based in Calgary, Canada77
- Security companies based in Auckland, New Zealand70
- Security companies based in Mississauga, Canada69
- Security companies based in Barcelona, Spain68
- Security companies based in Guayaquil, Ecuador68
- Security companies based in Las Vegas, United States67
- Security companies based in Orlando, United States65
- Security companies based in Glasgow, United Kingdom64
- Security companies based in Leeds, United Kingdom64
- Security companies based in Edmonton, Canada63
- Security companies based in Bucharest, Romania61
- Security companies based in Fortaleza, Brazil61
- Security companies based in Bristol, United Kingdom60
- Security companies based in San Antonio, United States60
- Security companies based in Vancouver, Canada60
- Security companies based in Tampa, United States59
- Security companies based in Charlotte, United States58
- Security companies based in Denver, United States58
- Security companies based in Warsaw, Poland56
- Security companies based in San Diego, United States55
- Security companies based in Hamburg, Germany52
- Security companies based in Montevideo, Uruguay51
- Security companies based in Liverpool, United Kingdom48
- Security companies based in Indianapolis, United States46
- Security companies based in Sacramento, United States46
- Security companies based in San Francisco, United States45
- Security companies based in San Jose, United States45
- Security companies based in Doha, Qatar44
- Security companies based in Jacksonville, United States44
- Security companies based in Seattle, United States43
- Security companies based in Baltimore, United States42
- Security companies based in Abu Dhabi, United Arab Emirates40
- Security companies based in Ottawa, Canada40
- Security companies based in Perth, Australia40
- Security companies based in Brisbane, Australia39
- Security companies based in Amsterdam, Netherlands38
- Security companies based in Munich, Germany38
- Security companies based in Leicester, United Kingdom37
- Security companies based in Nashville, United States37
- Security companies based in Panama, Panama37
- Security companies based in Fort Lauderdale, United States36
- Security companies based in Oslo, Norway36
- Security companies based in Cardiff, United Kingdom35
- Security companies based in Dublin, Ireland34
- Security companies based in Memphis, United States34
- Security companies based in Portland, United States34
- Security companies based in Washington, United States34
- Security companies based in Belfast, United Kingdom33
- Security companies based in Columbus, United States33
- Security companies based in Nottingham, United Kingdom33
- Security companies based in Philadelphia, United States32
- Security companies based in Raleigh, United States32
- Security companies based in Athens, Greece31
- Security companies based in Columbia, United States31
- Security companies based in Fort Worth, United States31
- Security companies based in Belgrade, Serbia30
- Security companies based in Cincinnati, United States30
- Security companies based in Southampton, United Kingdom30
- Security companies based in Brooklyn, United States29
- Security companies based in Budapest, Hungary29
- Security companies based in Louisville, United States28
- Security companies based in St. Louis, United States28
- Security companies based in Burnaby, Canada27
- Security companies based in Albuquerque, United States26
- Security companies based in Richmond, United States26
- Security companies based in Springfield, United States26
- Security companies based in Boca Raton, United States25
- Security companies based in Boston, United States25
- Security companies based in Irvine, United States25
- Security companies based in Minneapolis, United States25
- Security companies based in Zagreb, Croatia25
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “security companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security companies are there worldwide?
RevenueBase identified 48,153 company matches for security companies worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
G4s tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most security companies?
The United States leads with 8,957 companies, followed by the United Kingdom (5,031) and Brazil (3,351). Every security companies list by country and city is linked on this page.
Which city has the most security companies?
London leads with 934 company records, followed by Sao Paulo (671) and New York (233).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 111,361 professional contacts with verified work emails tracked across these 48,153 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 1, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 security companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 48,153 matching company records for security companies worldwide, with 1,225,057 tracked contacts and 111,361 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 security companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  G4sg4s.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 79,699 contacts → |
“G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Allied Universalaus.comHQ: Irvine, CA, United StatesReported employees: 10001+ | Irvine, CA, United States | 10001+ | Exact match | 62,804 contacts → |
“Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Prosegurprosegur.comHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 40,747 contacts → |
“50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Securitas Security Services Usa, INCsecuritasinc.comHQ: Parsippany, NJ, United StatesReported employees: 10001+ | Parsippany, NJ, United States | 10001+ | Exact match | 38,634 contacts → |
“Securitas knows Security.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Gardaworldgarda.comHQ: Saint-laurent, CanadaReported employees: 10001+ | Saint-laurent, Canada | 10001+ | Exact match | 17,041 contacts → |
“GardaWorld is the world’s largest privately-owned security services company, offering cash services, physical and specialized security solutions, and with our Crisis24 portal, the…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Transguard Grouptransguardgroup.comHQ: Dubai, United Arab EmiratesReported employees: 10001+ | Dubai, United Arab Emirates | 10001+ | Exact match | 15,652 contacts → |
“Offering flexible solutions for all of the UAE’s staffing needs since 2001, Transguard Group is the region’s most trusted expert in security, facilities management, cash services…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Verisureverisure.comHQ: Global Hq - Versoix, GermanyReported employees: 10001+ | Global Hq - Versoix, Germany | 10001+ | Exact match | 14,199 contacts → |
“Verisure is the global leader in professionally monitored security services by customers served, with a market-leading presence across Europe and Latin America.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Gocil Tecnologia EM Segurança E Serviçosgocil.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 7,986 contacts → |
“One of the largest companies in the professional services and security markets in Brazil.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Grupo Souza Limasouzalima.comHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 6,854 contacts → |
“Sempre inovador, o Grupo Souza Lima desenvolve soluções completas e híbridas, que realmente funcionam, em serviços de Segurança, Limpeza e Facilities.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Securitas Groupsecuritas.comHQ: Stockholm, SwedenReported employees: 10001+ | Stockholm, Sweden | 10001+ | Exact match | 6,335 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 |  Chubb Fire & Securitychubbfs.comHQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,169 contacts → |
“Making the world a safer place.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  TYCOtyco.comHQ: Cork, IrelandReported employees: 10001+ | Cork, Ireland | 10001+ | Exact match | 5,384 contacts → |
“Tyco offers comprehensive security solutions to protect people, facilities, and assets as part of Johnson Controls world leading portfolio of building products, technologies…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Paladin Security Group LTDpaladinsecurity.comHQ: Burnaby, BC, CanadaReported employees: 10001+ | Burnaby, BC, Canada | 10001+ | Exact match | 4,835 contacts → |
“As one of Canada’s Best Managed Companies, boasting Canada’s 10 Most Admired Corporate Cultures, Paladin is Canada’s leading security company, with services and superior expertise…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Certiscertisgroup.comHQ: SingaporeReported employees: 10001+ | Singapore | 10001+ | Exact match | 4,610 contacts → |
“Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Graber Sistemas DE Segurançagraber.com.brHQ: Barueri, BrazilReported employees: 10001+ | Barueri, Brazil | 10001+ | Exact match | 4,572 contacts → |
“A Graber atua de forma pioneira na prestação de serviços de segurança desde 1982, introduzindo o conceito de projetos integrados na área de segurança.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Segurprosegurpro.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,530 contacts → |
“A SegurPro é o próximo passo em segurança privada.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Grupo Haganáhagana.com.brHQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,292 contacts → |
“O que é trabalhar no Grupo Haganá?” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,038 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  CSCcsc-usa.comHQ: Northridge, CA, United StatesReported employees: 10001+ | Northridge, CA, United States | 10001+ | Exact match | 4,025 contacts → |
“Contemporary Services Corporation (CSC) is recognized worldwide as the pioneer, expert and only employee owned company in the crowd management field.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Securitas Francefrance.securitas.frHQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 3,843 contacts → |
“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  SIS Group Enterprisessisindia.comHQ: New Delhi, IndiaReported employees: 10001+ | New Delhi, India | 10001+ | Exact match | 3,753 contacts → |
“SIS Group Enterprises commenced operations as a two-member company in 1974 and has since transformed into one of the market leaders in the Asia Pacific region, in Security…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Securitas Seguridad Españasecuritas.esHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,620 contacts → |
“Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Inter-Con Securityicsecurity.comHQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 3,612 contacts → |
“EVERYWHERE SECURITY MATTERS.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  U.S. Security Associates, INCussecurityassociates.comHQ: Roswell, GA, United StatesReported employees: 10001+ | Roswell, GA, United States | 10001+ | Exact match | 3,592 contacts → |
“U.S.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Fidelity Services Groupfidelity-services.com HQ: South AfricaReported employees: 10001+ | South Africa | 10001+ | Exact match | 3,480 contacts → |
“Fidelity Services Group is Southern Africa’s largest integrated security solutions provider and the industry leader in protection innovation.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 48,153 company matches
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Security companies: dataset insights
October 1, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
47,746 records in the displayed employee bands.
407 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 48,153 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Security companies by location
174 lists · largest firstEvery Security companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security companies based in the United States8,957
- Security companies based in the United Kingdom5,031
- Security companies based in Brazil3,351
- Security companies based in India2,395
- Security companies based in France2,118
- Security companies based in Canada1,460
- Security companies based in Germany1,398
- Security companies based in Italy1,278
- Security companies based in Australia1,153
- Security companies based in the Netherlands1,137
- Security companies based in Mexico966
- Security companies based in South Africa926
- Security companies based in Spain869
- Security companies based in Argentina626
- Security companies based in Chile499
- Security companies based in Colombia492
- Security companies based in Türkiye471
- Security companies based in the United Arab Emirates424
- Security companies based in Peru405
- Security companies based in Belgium381
- Security companies based in Sweden355
- Security companies based in Switzerland331
- Security companies based in Poland292
- Security companies based in Nigeria259
- Security companies based in Kenya212
- Security companies based in Pakistan212
- Security companies based in Ecuador202
- Security companies based in Ireland202
- Security companies based in Egypt198
- Security companies based in Portugal198
- Security companies based in Indonesia196
- Security companies based in Saudi Arabia196
- Security companies based in Denmark189
- Security companies based in Romania177
- Security companies based in Malaysia175
- Security companies based in New Zealand163
- Security companies based in Greece147
- Security companies based in the Philippines136
- Security companies based in Czechia131
- Security companies based in Bangladesh111
- Security companies based in Norway106
- Security companies based in Finland91
- Security companies based in Austria90
- Security companies based in Israel89
- Security companies based in Hungary88
- Security companies based in Qatar87
- Security companies based in the Dominican Republic71
- Security companies based in Costa Rica69
- Security companies based in Uruguay69
- Security companies based in Serbia58
- Security companies based in Panama54
- Security companies based in Croatia41
- Security companies based in Cyprus36
- Security companies based in Hong Kong29
- Security companies based in Puerto Rico26
- Security companies based in Luxembourg25
Cities
- Security companies based in London, United Kingdom910
- Security companies based in Sao Paulo, Brazil671
- Security companies based in New York, United States233
- Security companies based in Dubai, United Arab Emirates218
- Security companies based in Bangalore, India205
- Security companies based in New Delhi, India193
- Security companies based in Los Angeles, United States187
- Security companies based in Houston, United States184
- Security companies based in Toronto, Canada182
- Security companies based in Rio De Janeiro, Brazil180
- Security companies based in Buenos Aires, Argentina176
- Security companies based in Paris, France176
- Security companies based in Bogota, Colombia169
- Security companies based in Lima, Peru160
- Security companies based in Nairobi, Kenya155
- Security companies based in Mumbai, India154
- Security companies based in Miami, United States153
- Security companies based in Johannesburg, South Africa147
- Security companies based in Istanbul, Türkiye140
- Security companies based in Mexico City, Mexico140
- Security companies based in Santiago, Chile135
- Security companies based in Madrid, Spain127
- Security companies based in Rome, Italy124
- Security companies based in Manchester, United Kingdom121
- Security companies based in Curitiba, Brazil111
- Security companies based in Porto Alegre, Brazil110
- Security companies based in Birmingham, United Kingdom108
- Security companies based in Pune, India107
- Security companies based in Atlanta, United States103
- Security companies based in Chicago, United States102
- Security companies based in Dallas, United States100
- Security companies based in Gurgaon, India99
- Security companies based in Cape Town, South Africa98
- Security companies based in Belo Horizonte, Brazil97
- Security companies based in Stockholm, Sweden97
- Security companies based in Berlin, Germany96
- Security companies based in Milan, Italy95
- Security companies based in Sydney, Australia94
- Security companies based in Melbourne, Australia92
- Security companies based in Chennai, India86
- Security companies based in Phoenix, United States85
- Security companies based in Hyderabad, India84
- Security companies based in Austin, United States83
- Security companies based in Campinas, Brazil82
- Security companies based in Riyadh, Saudi Arabia82
- Security companies based in Noida, India81
- Security companies based in Montreal, Canada79
- Security companies based in Calgary, Canada77
- Security companies based in Auckland, New Zealand70
- Security companies based in Mississauga, Canada69
- Security companies based in Barcelona, Spain68
- Security companies based in Guayaquil, Ecuador68
- Security companies based in Las Vegas, United States67
- Security companies based in Orlando, United States65
- Security companies based in Glasgow, United Kingdom64
- Security companies based in Leeds, United Kingdom64
- Security companies based in Edmonton, Canada63
- Security companies based in Bucharest, Romania61
- Security companies based in Fortaleza, Brazil61
- Security companies based in Bristol, United Kingdom60
- Security companies based in San Antonio, United States60
- Security companies based in Vancouver, Canada60
- Security companies based in Tampa, United States59
- Security companies based in Charlotte, United States58
- Security companies based in Denver, United States58
- Security companies based in Warsaw, Poland56
- Security companies based in San Diego, United States55
- Security companies based in Hamburg, Germany52
- Security companies based in Montevideo, Uruguay51
- Security companies based in Liverpool, United Kingdom48
- Security companies based in Indianapolis, United States46
- Security companies based in Sacramento, United States46
- Security companies based in San Francisco, United States45
- Security companies based in San Jose, United States45
- Security companies based in Doha, Qatar44
- Security companies based in Jacksonville, United States44
- Security companies based in Seattle, United States43
- Security companies based in Baltimore, United States42
- Security companies based in Abu Dhabi, United Arab Emirates40
- Security companies based in Ottawa, Canada40
- Security companies based in Perth, Australia40
- Security companies based in Brisbane, Australia39
- Security companies based in Amsterdam, Netherlands38
- Security companies based in Munich, Germany38
- Security companies based in Leicester, United Kingdom37
- Security companies based in Nashville, United States37
- Security companies based in Panama, Panama37
- Security companies based in Fort Lauderdale, United States36
- Security companies based in Oslo, Norway36
- Security companies based in Cardiff, United Kingdom35
- Security companies based in Dublin, Ireland34
- Security companies based in Memphis, United States34
- Security companies based in Portland, United States34
- Security companies based in Washington, United States34
- Security companies based in Belfast, United Kingdom33
- Security companies based in Columbus, United States33
- Security companies based in Nottingham, United Kingdom33
- Security companies based in Philadelphia, United States32
- Security companies based in Raleigh, United States32
- Security companies based in Athens, Greece31
- Security companies based in Columbia, United States31
- Security companies based in Fort Worth, United States31
- Security companies based in Belgrade, Serbia30
- Security companies based in Cincinnati, United States30
- Security companies based in Southampton, United Kingdom30
- Security companies based in Brooklyn, United States29
- Security companies based in Budapest, Hungary29
- Security companies based in Louisville, United States28
- Security companies based in St. Louis, United States28
- Security companies based in Burnaby, Canada27
- Security companies based in Albuquerque, United States26
- Security companies based in Richmond, United States26
- Security companies based in Springfield, United States26
- Security companies based in Boca Raton, United States25
- Security companies based in Boston, United States25
- Security companies based in Irvine, United States25
- Security companies based in Minneapolis, United States25
- Security companies based in Zagreb, Croatia25
Questions about this company list
What does Exact match mean for security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many security companies did RevenueBase find worldwide?
The saved snapshot records 48,153 matching company records, 1,225,057 tracked contacts and 111,361 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 security companies worldwide. Snapshot: October 1, 2026. https://revenuebase.ai/companies/browse/security-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 security companies worldwide
RevenueBase records 48,153 matching company records for security companies worldwide, with 1,225,057 tracked contacts and 111,361 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 1, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 security companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | G4sg4s.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 79,699 contacts → |
“G4S is a leading security and facility services company that provides proactive security services and cutting-edge smart technology to deliver tailored, integrated security…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Allied Universalaus.com HQ: Irvine, CA, United StatesReported employees: 10001+ | Irvine, CA, United States | 10001+ | Exact match | 62,804 contacts → |
“Allied Universal®, a leading security and facility services company, provides proactive security services and cutting-edge smart technology to deliver evolving, tailored solutions…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Prosegurprosegur.com HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 40,747 contacts → |
“50 Years of Excellence: Experience, Innovation, and Commitment to Safety.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Securitas Security Services Usa, INCsecuritasinc.com HQ: Parsippany, NJ, United StatesReported employees: 10001+ | Parsippany, NJ, United States | 10001+ | Exact match | 38,634 contacts → |
“Securitas knows Security.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Gardaworldgarda.com HQ: Saint-laurent, CanadaReported employees: 10001+ | Saint-laurent, Canada | 10001+ | Exact match | 17,041 contacts → |
“GardaWorld is the world’s largest privately-owned security services company, offering cash services, physical and specialized security solutions, and with our Crisis24 portal, the…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Transguard Grouptransguardgroup.com HQ: Dubai, United Arab EmiratesReported employees: 10001+ | Dubai, United Arab Emirates | 10001+ | Exact match | 15,652 contacts → |
“Offering flexible solutions for all of the UAE’s staffing needs since 2001, Transguard Group is the region’s most trusted expert in security, facilities management, cash services…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Verisureverisure.com HQ: Global Hq - Versoix, GermanyReported employees: 10001+ | Global Hq - Versoix, Germany | 10001+ | Exact match | 14,199 contacts → |
“Verisure is the global leader in professionally monitored security services by customers served, with a market-leading presence across Europe and Latin America.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Gocil Tecnologia EM Segurança E Serviçosgocil.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 7,986 contacts → |
“One of the largest companies in the professional services and security markets in Brazil.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Grupo Souza Limasouzalima.com HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 6,854 contacts → |
“Sempre inovador, o Grupo Souza Lima desenvolve soluções completas e híbridas, que realmente funcionam, em serviços de Segurança, Limpeza e Facilities.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Securitas Groupsecuritas.com HQ: Stockholm, SwedenReported employees: 10001+ | Stockholm, Sweden | 10001+ | Exact match | 6,335 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Chubb Fire & Securitychubbfs.com HQ: Staines, United KingdomReported employees: 10001+ | Staines, United Kingdom | 10001+ | Exact match | 6,169 contacts → |
“Making the world a safer place.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | TYCOtyco.com HQ: Cork, IrelandReported employees: 10001+ | Cork, Ireland | 10001+ | Exact match | 5,384 contacts → |
“Tyco offers comprehensive security solutions to protect people, facilities, and assets as part of Johnson Controls world leading portfolio of building products, technologies…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Paladin Security Group LTDpaladinsecurity.com HQ: Burnaby, BC, CanadaReported employees: 10001+ | Burnaby, BC, Canada | 10001+ | Exact match | 4,835 contacts → |
“As one of Canada’s Best Managed Companies, boasting Canada’s 10 Most Admired Corporate Cultures, Paladin is Canada’s leading security company, with services and superior expertise…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Certiscertisgroup.com HQ: SingaporeReported employees: 10001+ | Singapore | 10001+ | Exact match | 4,610 contacts → |
“Certis is a leading advanced integrated security organisation that develops and delivers multi-disciplinary smart security and integrated services.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Graber Sistemas DE Segurançagraber.com.br HQ: Barueri, BrazilReported employees: 10001+ | Barueri, Brazil | 10001+ | Exact match | 4,572 contacts → |
“A Graber atua de forma pioneira na prestação de serviços de segurança desde 1982, introduzindo o conceito de projetos integrados na área de segurança.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Segurprosegurpro.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,530 contacts → |
“A SegurPro é o próximo passo em segurança privada.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Grupo Haganáhagana.com.br HQ: Sao Paulo, BrazilReported employees: 10001+ | Sao Paulo, Brazil | 10001+ | Exact match | 4,292 contacts → |
“O que é trabalhar no Grupo Haganá?” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Unemployedexcelsiordefense.com HQ: St. Petersburg, FL, United StatesReported employees: Not recorded | St. Petersburg, FL, United States | Not recorded | Exact match | 4,038 contacts → |
“Excelsior Defense is a security and investigations company based out of St.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | CSCcsc-usa.com HQ: Northridge, CA, United StatesReported employees: 10001+ | Northridge, CA, United States | 10001+ | Exact match | 4,025 contacts → |
“Contemporary Services Corporation (CSC) is recognized worldwide as the pioneer, expert and only employee owned company in the crowd management field.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Securitas Francefrance.securitas.fr HQ: Issy-les-moulineaux, FranceReported employees: 10001+ | Issy-les-moulineaux, France | 10001+ | Exact match | 3,843 contacts → |
“Securitas vous apporte son savoir‑faire et ses compétences dans la sécurisation de votre entreprise.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | SIS Group Enterprisessisindia.com HQ: New Delhi, IndiaReported employees: 10001+ | New Delhi, India | 10001+ | Exact match | 3,753 contacts → |
“SIS Group Enterprises commenced operations as a two-member company in 1974 and has since transformed into one of the market leaders in the Asia Pacific region, in Security…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Securitas Seguridad Españasecuritas.es HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 3,620 contacts → |
“Securitas, Soluciones de Seguridad a medida Nuestro liderazgo en conocimientos de seguridad nos ha permitido desarrollar una estrategia basada en tres pilares fundamentales…” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Inter-Con Securityicsecurity.com HQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 3,612 contacts → |
“EVERYWHERE SECURITY MATTERS.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | U.S. Security Associates, INCussecurityassociates.com HQ: Roswell, GA, United StatesReported employees: 10001+ | Roswell, GA, United States | 10001+ | Exact match | 3,592 contacts → |
“U.S.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Fidelity Services Groupfidelity-services.com HQ: South AfricaReported employees: 10001+ | South Africa | 10001+ | Exact match | 3,480 contacts → |
“Fidelity Services Group is Southern Africa’s largest integrated security solutions provider and the industry leader in protection innovation.” Recorded description excerpt · October 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 48,153 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
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Security companies: dataset insights
October 1, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
47,746 records in the displayed employee bands.
407 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 48,153 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 1, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Security companies by location
174 lists · largest firstEvery Security companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Security companies based in the United States8,957
- Security companies based in the United Kingdom5,031
- Security companies based in Brazil3,351
- Security companies based in India2,395
- Security companies based in France2,118
- Security companies based in Canada1,460
- Security companies based in Germany1,398
- Security companies based in Italy1,278
- Security companies based in Australia1,153
- Security companies based in the Netherlands1,137
- Security companies based in Mexico966
- Security companies based in South Africa926
- Security companies based in Spain869
- Security companies based in Argentina626
- Security companies based in Chile499
- Security companies based in Colombia492
- Security companies based in Türkiye471
- Security companies based in the United Arab Emirates424
- Security companies based in Peru405
- Security companies based in Belgium381
- Security companies based in Sweden355
- Security companies based in Switzerland331
- Security companies based in Poland292
- Security companies based in Nigeria259
- Security companies based in Kenya212
- Security companies based in Pakistan212
- Security companies based in Ecuador202
- Security companies based in Ireland202
- Security companies based in Egypt198
- Security companies based in Portugal198
- Security companies based in Indonesia196
- Security companies based in Saudi Arabia196
- Security companies based in Denmark189
- Security companies based in Romania177
- Security companies based in Malaysia175
- Security companies based in New Zealand163
- Security companies based in Greece147
- Security companies based in the Philippines136
- Security companies based in Czechia131
- Security companies based in Bangladesh111
- Security companies based in Norway106
- Security companies based in Finland91
- Security companies based in Austria90
- Security companies based in Israel89
- Security companies based in Hungary88
- Security companies based in Qatar87
- Security companies based in the Dominican Republic71
- Security companies based in Costa Rica69
- Security companies based in Uruguay69
- Security companies based in Serbia58
- Security companies based in Panama54
- Security companies based in Croatia41
- Security companies based in Cyprus36
- Security companies based in Hong Kong29
- Security companies based in Puerto Rico26
- Security companies based in Luxembourg25
Cities
- Security companies based in London, United Kingdom910
- Security companies based in Sao Paulo, Brazil671
- Security companies based in New York, United States233
- Security companies based in Dubai, United Arab Emirates218
- Security companies based in Bangalore, India205
- Security companies based in New Delhi, India193
- Security companies based in Los Angeles, United States187
- Security companies based in Houston, United States184
- Security companies based in Toronto, Canada182
- Security companies based in Rio De Janeiro, Brazil180
- Security companies based in Buenos Aires, Argentina176
- Security companies based in Paris, France176
- Security companies based in Bogota, Colombia169
- Security companies based in Lima, Peru160
- Security companies based in Nairobi, Kenya155
- Security companies based in Mumbai, India154
- Security companies based in Miami, United States153
- Security companies based in Johannesburg, South Africa147
- Security companies based in Istanbul, Türkiye140
- Security companies based in Mexico City, Mexico140
- Security companies based in Santiago, Chile135
- Security companies based in Madrid, Spain127
- Security companies based in Rome, Italy124
- Security companies based in Manchester, United Kingdom121
- Security companies based in Curitiba, Brazil111
- Security companies based in Porto Alegre, Brazil110
- Security companies based in Birmingham, United Kingdom108
- Security companies based in Pune, India107
- Security companies based in Atlanta, United States103
- Security companies based in Chicago, United States102
- Security companies based in Dallas, United States100
- Security companies based in Gurgaon, India99
- Security companies based in Cape Town, South Africa98
- Security companies based in Belo Horizonte, Brazil97
- Security companies based in Stockholm, Sweden97
- Security companies based in Berlin, Germany96
- Security companies based in Milan, Italy95
- Security companies based in Sydney, Australia94
- Security companies based in Melbourne, Australia92
- Security companies based in Chennai, India86
- Security companies based in Phoenix, United States85
- Security companies based in Hyderabad, India84
- Security companies based in Austin, United States83
- Security companies based in Campinas, Brazil82
- Security companies based in Riyadh, Saudi Arabia82
- Security companies based in Noida, India81
- Security companies based in Montreal, Canada79
- Security companies based in Calgary, Canada77
- Security companies based in Auckland, New Zealand70
- Security companies based in Mississauga, Canada69
- Security companies based in Barcelona, Spain68
- Security companies based in Guayaquil, Ecuador68
- Security companies based in Las Vegas, United States67
- Security companies based in Orlando, United States65
- Security companies based in Glasgow, United Kingdom64
- Security companies based in Leeds, United Kingdom64
- Security companies based in Edmonton, Canada63
- Security companies based in Bucharest, Romania61
- Security companies based in Fortaleza, Brazil61
- Security companies based in Bristol, United Kingdom60
- Security companies based in San Antonio, United States60
- Security companies based in Vancouver, Canada60
- Security companies based in Tampa, United States59
- Security companies based in Charlotte, United States58
- Security companies based in Denver, United States58
- Security companies based in Warsaw, Poland56
- Security companies based in San Diego, United States55
- Security companies based in Hamburg, Germany52
- Security companies based in Montevideo, Uruguay51
- Security companies based in Liverpool, United Kingdom48
- Security companies based in Indianapolis, United States46
- Security companies based in Sacramento, United States46
- Security companies based in San Francisco, United States45
- Security companies based in San Jose, United States45
- Security companies based in Doha, Qatar44
- Security companies based in Jacksonville, United States44
- Security companies based in Seattle, United States43
- Security companies based in Baltimore, United States42
- Security companies based in Abu Dhabi, United Arab Emirates40
- Security companies based in Ottawa, Canada40
- Security companies based in Perth, Australia40
- Security companies based in Brisbane, Australia39
- Security companies based in Amsterdam, Netherlands38
- Security companies based in Munich, Germany38
- Security companies based in Leicester, United Kingdom37
- Security companies based in Nashville, United States37
- Security companies based in Panama, Panama37
- Security companies based in Fort Lauderdale, United States36
- Security companies based in Oslo, Norway36
- Security companies based in Cardiff, United Kingdom35
- Security companies based in Dublin, Ireland34
- Security companies based in Memphis, United States34
- Security companies based in Portland, United States34
- Security companies based in Washington, United States34
- Security companies based in Belfast, United Kingdom33
- Security companies based in Columbus, United States33
- Security companies based in Nottingham, United Kingdom33
- Security companies based in Philadelphia, United States32
- Security companies based in Raleigh, United States32
- Security companies based in Athens, Greece31
- Security companies based in Columbia, United States31
- Security companies based in Fort Worth, United States31
- Security companies based in Belgrade, Serbia30
- Security companies based in Cincinnati, United States30
- Security companies based in Southampton, United Kingdom30
- Security companies based in Brooklyn, United States29
- Security companies based in Budapest, Hungary29
- Security companies based in Louisville, United States28
- Security companies based in St. Louis, United States28
- Security companies based in Burnaby, Canada27
- Security companies based in Albuquerque, United States26
- Security companies based in Richmond, United States26
- Security companies based in Springfield, United States26
- Security companies based in Boca Raton, United States25
- Security companies based in Boston, United States25
- Security companies based in Irvine, United States25
- Security companies based in Minneapolis, United States25
- Security companies based in Zagreb, Croatia25
Questions about this company list
What does Exact match mean for security companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many security companies did RevenueBase find worldwide?
The saved snapshot records 48,153 matching company records, 1,225,057 tracked contacts and 111,361 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 1, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 security companies worldwide. Snapshot: October 1, 2026. https://revenuebase.ai/companies/browse/security-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗